9V USB Charger Kit
- http://aarondunlap.com/blog/1130885615
- $9 (US, estimated)
Aaron Dunlap made a great little kit for folks who'd like to make their own 9V USB charger. And, you guessed it, it's all inside an Altoids tin. It's pretty simple to construct one of these, but Aaron put everything together in kit form if you're not a hardcore maker yet.
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